—Tom, you never told me why you were late for school again,_____ you?        —____. But maybe you forgot it, sir.                           

--- Liu Tao has never read the book The Adventure of Tom Sawyer , _________ he?--- _________. He told me it's very interesting. He'd like to read it again.

—How many students do you think are still on the playground now?—I am afraid there are few of them, ______?

---_____does he play football after school? --- He always plays football after school.

.--He hardly has any spare time for his hobbies, _________ he? --________.He has too much homework to do every day.